src/mojo/system/waiter_test_utils.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/system/waiter_test_utils.h"
   6
   7 namespace mojo {
   8 namespace system {
   9 namespace test {
  10
  11 SimpleWaiterThread::SimpleWaiterThread(MojoResult* result, uint32_t* context)
  12     : base::SimpleThread("waiter_thread"), result_(result), context_(context) {
  13   waiter_.Init();
  14   *result_ = -5420734;   // Totally invalid result.
  15   *context_ = 23489023;  // "Random".
  16 }
  17
  18 SimpleWaiterThread::~SimpleWaiterThread() {
  19   Join();
  20 }
  21
  22 void SimpleWaiterThread::Run() {
  23   *result_ = waiter_.Wait(MOJO_DEADLINE_INDEFINITE, context_);
  24 }
  25
  26 WaiterThread::WaiterThread(scoped_refptr<Dispatcher> dispatcher,
  27                            MojoHandleSignals handle_signals,
  28                            MojoDeadline deadline,
  29                            uint32_t context,
  30                            bool* did_wait_out,
  31                            MojoResult* result_out,
  32                            uint32_t* context_out,
  33                            HandleSignalsState* signals_state_out)
  34     : base::SimpleThread("waiter_thread"),
  35       dispatcher_(dispatcher),
  36       handle_signals_(handle_signals),
  37       deadline_(deadline),
  38       context_(context),
  39       did_wait_out_(did_wait_out),
  40       result_out_(result_out),
  41       context_out_(context_out),
  42       signals_state_out_(signals_state_out) {
  43   *did_wait_out_ = false;
  44   // Initialize these with invalid results (so that we'll be sure to catch any
  45   // case where they're not set).
  46   *result_out_ = -8542346;
  47   *context_out_ = 89023444;
  48   *signals_state_out_ = HandleSignalsState(~0u, ~0u);
  49 }
  50
  51 WaiterThread::~WaiterThread() {
  52   Join();
  53 }
  54
  55 void WaiterThread::Run() {
  56   waiter_.Init();
  57
  58   *result_out_ = dispatcher_->AddWaiter(
  59       &waiter_, handle_signals_, context_, signals_state_out_);
  60   if (*result_out_ != MOJO_RESULT_OK)
  61     return;
  62
  63   *did_wait_out_ = true;
  64   *result_out_ = waiter_.Wait(deadline_, context_out_);
  65   dispatcher_->RemoveWaiter(&waiter_, signals_state_out_);
  66 }
  67
  68 }  // namespace test
  69 }  // namespace system
  70 }  // namespace mojo